1 matching record(s)
LE Knowles, W.
Calculating Scale: A Substitute for the Slide Rule
London: E. & F.N. Spon, Ltd, 1903. Lewis Evans Collection.
[1924-0]
1903
1 matching record(s)
LE Knowles, W.
Calculating Scale: A Substitute for the Slide Rule
London: E. & F.N. Spon, Ltd, 1903. Lewis Evans Collection.
[1924-0]
1903